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56afef56eb
The next step is to bypass the MIB calling mechanism altogether and just invoke the hardware directly where needed, but at least now the list has been paired down considerably. Signed-off-by: Solomon Peachy <pizza@shaftnet.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
254 lines
7.7 KiB
C
254 lines
7.7 KiB
C
/* p80211netdev.h
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*
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* WLAN net device structure and functions
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*
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* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
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* --------------------------------------------------------------------
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*
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* linux-wlan
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License version 2 (the "GPL"), in which
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* case the provisions of the GPL are applicable instead of the
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* above. If you wish to allow the use of your version of this file
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* only under the terms of the GPL and not to allow others to use
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* your version of this file under the MPL, indicate your decision
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* by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the MPL or the GPL.
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*
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* --------------------------------------------------------------------
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*
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* Inquiries regarding the linux-wlan Open Source project can be
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* made directly to:
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*
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* AbsoluteValue Systems Inc.
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* info@linux-wlan.com
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* http://www.linux-wlan.com
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*
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* --------------------------------------------------------------------
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*
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* Portions of the development of this software were funded by
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* Intersil Corporation as part of PRISM(R) chipset product development.
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*
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* --------------------------------------------------------------------
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*
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* This file declares the structure type that represents each wlan
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* interface.
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*
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* --------------------------------------------------------------------
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*/
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#ifndef _LINUX_P80211NETDEV_H
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#define _LINUX_P80211NETDEV_H
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#include <linux/interrupt.h>
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#include <linux/wireless.h>
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/*================================================================*/
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/* Constants */
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#define WLAN_DEVICE_CLOSED 0
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#define WLAN_DEVICE_OPEN 1
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#define WLAN_MACMODE_NONE 0
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#define WLAN_MACMODE_IBSS_STA 1
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#define WLAN_MACMODE_ESS_STA 2
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#define WLAN_MACMODE_ESS_AP 3
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/* MSD States */
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#define WLAN_MSD_START -1
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#define WLAN_MSD_DRIVERLOADED 0
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#define WLAN_MSD_HWPRESENT_PENDING 1
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#define WLAN_MSD_HWFAIL 2
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#define WLAN_MSD_HWPRESENT 3
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#define WLAN_MSD_FWLOAD_PENDING 4
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#define WLAN_MSD_FWLOAD 5
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#define WLAN_MSD_RUNNING_PENDING 6
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#define WLAN_MSD_RUNNING 7
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#ifndef ETH_P_ECONET
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#define ETH_P_ECONET 0x0018 /* needed for 2.2.x kernels */
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#endif
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#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
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#ifndef ARPHRD_IEEE80211
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#define ARPHRD_IEEE80211 801 /* kernel 2.4.6 */
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#endif
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#ifndef ARPHRD_IEEE80211_PRISM /* kernel 2.4.18 */
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#define ARPHRD_IEEE80211_PRISM 802
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#endif
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/*--- NSD Capabilities Flags ------------------------------*/
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#define P80211_NSDCAP_HARDWAREWEP 0x01 /* hardware wep engine */
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#define P80211_NSDCAP_TIEDWEP 0x02 /* can't decouple en/de */
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#define P80211_NSDCAP_NOHOSTWEP 0x04 /* must use hardware wep */
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#define P80211_NSDCAP_PBCC 0x08 /* hardware supports PBCC */
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#define P80211_NSDCAP_SHORT_PREAMBLE 0x10 /* hardware supports */
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#define P80211_NSDCAP_AGILITY 0x20 /* hardware supports */
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#define P80211_NSDCAP_AP_RETRANSMIT 0x40 /* nsd handles retransmits */
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#define P80211_NSDCAP_HWFRAGMENT 0x80 /* nsd handles frag/defrag */
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#define P80211_NSDCAP_AUTOJOIN 0x100 /* nsd does autojoin */
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#define P80211_NSDCAP_NOSCAN 0x200 /* nsd can scan */
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/*================================================================*/
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/* Macros */
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/*================================================================*/
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/* Types */
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/* Received frame statistics */
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typedef struct p80211_frmrx_t
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{
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u32 mgmt;
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u32 assocreq;
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u32 assocresp;
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u32 reassocreq;
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u32 reassocresp;
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u32 probereq;
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u32 proberesp;
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u32 beacon;
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u32 atim;
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u32 disassoc;
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u32 authen;
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u32 deauthen;
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u32 mgmt_unknown;
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u32 ctl;
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u32 pspoll;
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u32 rts;
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u32 cts;
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u32 ack;
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u32 cfend;
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u32 cfendcfack;
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u32 ctl_unknown;
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u32 data;
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u32 dataonly;
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u32 data_cfack;
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u32 data_cfpoll;
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u32 data__cfack_cfpoll;
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u32 null;
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u32 cfack;
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u32 cfpoll;
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u32 cfack_cfpoll;
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u32 data_unknown;
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u32 decrypt;
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u32 decrypt_err;
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} p80211_frmrx_t;
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/* called by /proc/net/wireless */
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struct iw_statistics* p80211wext_get_wireless_stats(netdevice_t *dev);
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/* wireless extensions' ioctls */
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int p80211wext_support_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd);
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extern struct iw_handler_def p80211wext_handler_def;
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int p80211wext_event_associated(struct wlandevice *wlandev, int assoc);
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/* WEP stuff */
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#define NUM_WEPKEYS 4
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#define MAX_KEYLEN 32
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#define HOSTWEP_DEFAULTKEY_MASK (BIT1|BIT0)
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#define HOSTWEP_DECRYPT BIT4
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#define HOSTWEP_ENCRYPT BIT5
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#define HOSTWEP_PRIVACYINVOKED BIT6
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#define HOSTWEP_EXCLUDEUNENCRYPTED BIT7
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extern int wlan_watchdog;
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extern int wlan_wext_write;
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/* WLAN device type */
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typedef struct wlandevice
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{
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struct wlandevice *next; /* link for list of devices */
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void *priv; /* private data for MSD */
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/* Subsystem State */
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char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev()*/
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char *nsdname;
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u32 state; /* Device I/F state (open/closed) */
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u32 msdstate; /* state of underlying driver */
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u32 hwremoved; /* Has the hw been yanked out? */
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/* Hardware config */
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unsigned int irq;
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unsigned int iobase;
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unsigned int membase;
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u32 nsdcaps; /* NSD Capabilities flags */
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/* Config vars */
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unsigned int ethconv;
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/* device methods (init by MSD, used by p80211 */
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int (*open)(struct wlandevice *wlandev);
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int (*close)(struct wlandevice *wlandev);
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void (*reset)(struct wlandevice *wlandev );
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int (*txframe)(struct wlandevice *wlandev, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep);
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int (*mlmerequest)(struct wlandevice *wlandev, p80211msg_t *msg);
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int (*set_multicast_list)(struct wlandevice *wlandev,
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netdevice_t *dev);
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void (*tx_timeout)(struct wlandevice *wlandev);
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/* 802.11 State */
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u8 bssid[WLAN_BSSID_LEN];
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p80211pstr32_t ssid;
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u32 macmode;
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int linkstatus;
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/* WEP State */
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u8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
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u8 wep_keylens[NUM_WEPKEYS];
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int hostwep;
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/* Request/Confirm i/f state (used by p80211) */
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unsigned long request_pending; /* flag, access atomically */
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/* netlink socket */
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/* queue for indications waiting for cmd completion */
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/* Linux netdevice and support */
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netdevice_t *netdev; /* ptr to linux netdevice */
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struct net_device_stats linux_stats;
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/* Rx bottom half */
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struct tasklet_struct rx_bh;
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struct sk_buff_head nsd_rxq;
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/* 802.11 device statistics */
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struct p80211_frmrx_t rx;
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struct iw_statistics wstats;
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/* jkriegl: iwspy fields */
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u8 spy_number;
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char spy_address[IW_MAX_SPY][ETH_ALEN];
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struct iw_quality spy_stat[IW_MAX_SPY];
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} wlandevice_t;
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/* WEP stuff */
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int wep_change_key(wlandevice_t *wlandev, int keynum, u8* key, int keylen);
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int wep_decrypt(wlandevice_t *wlandev, u8 *buf, u32 len, int key_override, u8 *iv, u8 *icv);
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int wep_encrypt(wlandevice_t *wlandev, u8 *buf, u8 *dst, u32 len, int keynum, u8 *iv, u8 *icv);
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void p80211netdev_startup(void);
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void p80211netdev_shutdown(void);
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int wlan_setup(wlandevice_t *wlandev);
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int wlan_unsetup(wlandevice_t *wlandev);
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int register_wlandev(wlandevice_t *wlandev);
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int unregister_wlandev(wlandevice_t *wlandev);
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void p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb);
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void p80211netdev_hwremoved(wlandevice_t *wlandev);
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#endif
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